Does EPA support double value type?

Hi,
i was playing around with EPA Scripts and noticed something weird: I could not inject double type values, like load 1.16.
I saw in the documentation there are two types: IntCounter and LongCounter. Would you please confirm this?
Neither community EPA scripts nor Wily plugins did not seem to send any double values. Is there something I'm doing wrong?
My test script was submitting load average and network traffic in Kb/s.

I multiplied the load by 100 and rounded the network throughput to the nearest integer.
I changed the type of throughput related values to IntRate. Also, i added the unit measurement
type to the name of data series.
I'm not sure about how to send the uptime, due to the fact that it fluctuates. The definition
of uptime is: